<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>

<body>
  <script>
    var j = 1
    for (var i = 1; i <= 2022; i++) {
      j *= i
    }
    console.log(j)
  </script>

</body>

</html>